package com.example.lenovo.zyfypt_113yh.fragment;

import android.content.Context;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.Toast;


import com.example.lenovo.zyfypt_113yh.adapter.MyAdapter;
import com.example.lenovo.zyfypt_113yh.adapter.TwareAdapter;
import com.example.lenovo.zyfypt_113yh.bean.TwareBean;
import com.example.lenovo.zyfypt_113yh.iface.TwareListener;
import com.example.lenovo.zyfypt_113yh.model.TwareModel;
import com.example.lenovo.zyfypt_113yh.R;

import java.util.List;

/**
 * Created by Neusoft on 2017/4/9.
 */

public class Fragment2 extends Fragment {
    private TextView tvinfo;
    private View view = null;
    private Context context;
    private int page = 1; // 代表页数，并初始化为1，代表第1页。
    private int lastVisibleItemPosition;//最后一条可见条目的位置

    private RecyclerView recyclerView;
    private LinearLayoutManager layoutManager;//显示布局效果
    private MyAdapter myAdapter;//适配器
//    private List<ArticleBean> list = null;//数据源
//    private TcaseAdapter tcaseAdapter;
//    private List<TcaseBean> list = null;
    private TwareAdapter twareAdapter;
    private List<TwareBean> list = null;

//    ArticleListener articleListener = new ArticleListener() {
//        @Override
//        public void onResponse(List<ArticleBean> beanlist) {
//            list = beanlist;//得到网络数据
//            myAdapter.setList(list);//传给adapter
//            myAdapter.notifyDataSetChanged();//通知更新
//        }

        /*TcaseListener tcaseListener=new TcaseListener() {
            @Override
            public void onResponse(List<TcaseBean> beanlist) {
                list=beanlist;//得到网络数据
                tcaseAdapter.setList(list);//传给adapter
                tcaseAdapter.notifyDataSetChanged();//通知更新
            }*/
        TwareListener twareListener = new TwareListener() {
            @Override
            public void onResponse(List<TwareBean> beanlist) {
                //list=beanlist;//得到网络数据   本句注销掉
                if(page==1)
                {
                    list=beanlist;
                }
                else {
                    list.removeAll(beanlist);
                    list.addAll(beanlist);
                }
                twareAdapter.setList(list);//传给adapter
                twareAdapter.notifyDataSetChanged();//通知更新

            }

            @Override
            public void onFail(String msg) {
                Toast.makeText(context, msg, Toast.LENGTH_SHORT).show();
            }
        };

        @Nullable
        @Override
        public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
            context = getActivity();
            //动态加载Fragment1的布局文件
            view = inflater.inflate(R.layout.fragment2, container, false);
            //获取布局上的控件，注意通过view获取
            tvinfo = (TextView) view.findViewById(R.id.textView8);
            tvinfo.setText("课件");
            //注意Toast第一个参数上下文
            Toast.makeText(context, "加载Fragment课件", Toast.LENGTH_SHORT).show();
            //返回动态生成的view
            initRecyclerView();

            //实例化ArticleModel,调用方法获取网络数据
//            ArticleModel articleModel = new ArticleModel();
//            articleModel.getResultList(
//                    "article", 1,
//                    "k17vmm42ui9al6clh0lo3de2t7",
//                    articleListener);
        /*TcaseModel tcaseModel=new TcaseModel();
        tcaseModel.getResultList(
                "tcase",1,
                "rv1l2tidbomann2qn86nln6ur2",
                tcaseListener
        );*/
            TwareModel twareModel = new TwareModel();
            twareModel.getResultList(
                    "tware", 1,
                    "k17vmm42ui9al6clh0lo3de2t7",
                    twareListener
            );
            return view;
        }

        private void initRecyclerView() {
            //获取RecyclerView,设置属性，获取数据源，绑定
            recyclerView = (RecyclerView) view.findViewById(R.id.recyclerview);
            //创建默认的线性布局
            layoutManager = new LinearLayoutManager(context);
            //设置布局管理器
            recyclerView.setLayoutManager(layoutManager);
            //固定每个item高度，提高性能
            recyclerView.setHasFixedSize(true);
            //获取数据并创建Adapter
            //list =getData();
            //myAdapter=new MyAdapter(context);
            //myAdapter.setList(list);
            //绑定RecyclerView和adapter
            //recyclerView.setAdapter(myAdapter);
            //tcaseAdapter=new TcaseAdapter(context);
            //tcaseAdapter.setList(list);
            //recyclerView.setAdapter(tcaseAdapter);
            twareAdapter = new TwareAdapter(context);
            twareAdapter.setList(list);
            recyclerView.setAdapter(twareAdapter);
            recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
                @Override
                public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
                    super.onScrollStateChanged(recyclerView, newState);
                    if (newState == RecyclerView.SCROLL_STATE_IDLE && lastVisibleItemPosition + 1 == list.size()) {
                        page += 1;
                        //再次实例化ArticleModel，调用方法获取网络数据，请求新一页数据
                        TwareModel articleModel = new TwareModel();
                        articleModel.getResultList("article", page,
                                "k17vmm42ui9al6clh0lo3de2t7",
                                twareListener);
                    }
                }

                @Override
                public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                    super.onScrolled(recyclerView, dx, dy);
                    lastVisibleItemPosition = layoutManager.findLastVisibleItemPosition();//滚动结束后将赋值为可见条目中最后一条位置
                }
            });

        }
    };

